Jan
18.
An Upper Level High Pressure Ridge (“Arch” shape) is sitting right over the Pacific Northwest keeping us dry with fog and chilly nights for the Pacific Northwest. The graphics for days 1-3 show a weak frontal system that moved through Thursday. The graphics for days 3-7 Tuesday through Saturday show the no frontal activity through the period but a stationary front snakes along the entire West Coast Sunday through Wednesday, then a cold front will be to our northwest next Saturday.
__________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 49 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 31 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 41 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
ADVISORIES:
- A COLD WEATHER ADVISORY IS IN EFFECT FROM 10 AM TODAY UNTIL 10 AM MONDAY FOR THE CLATSOP COUNTY COAST, THE TILLAMOOK COUNTY COAST, THE CENTRAL COAST OF OREGON, THE NORTH CENTRAL OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST LOWLANDS, THE NORTH OREGON COAST RANGE, THE CENTRAL OREGON COAST RANGE, THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, THE PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN,THE INNER PORTLAND METRO, EAST PORTLAND METRO, THE WEST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, THE LANE COUNTY LOWLANDS, THE WEST COLUMBIA GORGE OF OREGON ABOVE 500 FT., THE WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, THE UPPER HOOD RIVER VALLEY, THE CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR, THE CLACKAMAS COUNTY CASCADE FOOTHILLS, THE CASCADE FOOTHILLS OF MARION AND LINN COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
- A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES THROUGH SUNDAY AFTERNOON FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES THROUGH LATE SUNDAY NIGHT FOR THE CLATSOP COUNTY COAST AND THE TILLAMOOK COUNTY COAST.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM TUESDAY FOR THE SOUTH CENTRAL OREGON COAST, CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM TUESDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
_______________
HEALTH ADVISORIES:
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
________________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly clear this evening, partly cloudy with widespread frost and patchy fog late tonight,
- Widespread AM frost and patchy fog, sunny and a bit warmer with areas of frost Sunday afternoon, mostly clear with widespread frost late Sunday night,
- Widespread AM frost, sunny Monday afternoon (Martin Luther King, Jr.Day), partly cloudy with widespread evening frost, mostly cloudy with widespread frost late Monday night,
- Mostly sunny with widespread frost Tuesday, then partly cloudy Tuesday night.
- lows 26-25 warming to 27 Tuesday night highs 43-45. .
- Mostly sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
- Mostly sunny and a bit warmer Thursday, partly cloudy with a good (50%) chance of evening rain, mostly cloudy with a good (50%) chance of rain late at night,
- A mix of clouds and sun with a good (50%) chance of rain Friday, mostly cloudy with a (40%) chance of rain Friday night,
- Then a mix of clouds and sun and a bit cooler with a (30%) chance of rain Saturday.
- highs 43-45 cooling back to 43 Saturday lows 28-32 (seasonal averages high 48 low 35)
________________
HOME WOOD HEATING ADVISORY:
Eugene & Springfield: GREEN – The burning of wood in wood stoves and fireplaces is allowed.
Oakridge And Westfir: GREEN – The burning of wood in wood stoves and fireplaces is allowed.
The use of pellet stoves is always allowed.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
________________
Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy late this evening, this evening, mostly clear with areas of late freezing fog and patchy dense fog continuing overnight tonight,
- Areas of AM freezing fog, sunny and a bit cooler Sunday afternoon, mostly clear with evening patchy fog and freezing fog, mostly cloudy with areas of freezing fog late Sunday night,
- Mostly cloudy with patchy AM freezing fog, sunny and a bit warmer Monday afternoon (Martin Luther King, Jr.Day), partly cloudy with patchy freezing fog at night,
- Partly cloudy with patchy AM fog and freezing fog, sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
- lows 32-27 warming to 30 Monday night cooling to 28 Tuesday night highs 42-43.
- Mostly sunny and a bit warmer Wednesday, mostly clear in the evening, partly cloudy late Wednesday night,
- Partly cloudy and a bit warmer Thursday and in the evening, mostly cloudy with a slight (20%) chance of rain late at night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of rain Friday, a slight (20%) chance of rain Friday night,
- Then partly cloudy Saturday.
- highs 44-47 cooling to 46 Saturday lows 32-36 cooling back to 32 Friday night. (seasonal averages high 50 low 37)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear with areas of early evening frost, widespread late evening frost continuing overnight and areas of freezing fog and patchy dense fog late tonight,
- Widespread AM coastal frost and areas of freezing fog while widespread inland AM frost, sunny Sunday afternoon, mostly clear with areas of evening frost, widespread frost and areas of freezing fog late Sunday night,
- Widespread AM frost, sunny and a bit warmer Monday (Martin Luther King, Jr. Day), partly cloudy with widespread frost late at night,
- Partly cloudy with widespread AM frost, sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
- lows 33-36 cooling to 32 Friday night highs 53-55 cooling to 52 Tuesday.
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Partly cloudy start, partly cloudy Thursday afternoon and evening, mostly cloudy with a slight (20%) chance of rain late at night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of rain Friday and Friday night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of rain Saturday.
- highs 56-50 warming to 52 Saturday lows 33-36 cooling to 32 Saturday. (seasonal averages high 54 low 41)
_______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit warmer Sunday, clear Sunday night,
- Sunny and a bit cooler Monday (Martin Luther King, Jr.Day), mostly clear in the evening, mostly cloudy at night,
- Mostly sunny and warmer Tuesday, then mostly clear Tuesday night.
- free air freezing level 5,500 ft. late tonight and Sunday, 4,500 ft. Sunday night, 4,000 ft. rising to 6,500 ft. Monday afternoon, 7,500 ft. falling to 7,000 ft. Monday night and Tuesday, then 6,000 ft Tuesday night.
- low 22-13 warming to 23 Tuesday night highs 37-32 warming to 42 Tuesday.
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Mostly sunny Thursday, partly cloudy with a good (50%) chance of evening rain and snow, mostly cloudy with a good (50%) chance of rain and snow late at night,
- A mix of clouds and sun and cooler with a good (50%) chance of snow and rain Friday, mostly cloudy with a good (50%) chance of snow and rain Friday night,
- Then a mix of clouds and sun and a bit cooler with snow likely (70%) and a (40%) chance of rain Saturday.
- free air freezing level 10,000 ft. Wednesday and Wednesday night, 11,000 ft. Thursday, snow level 5,000 ft. Thursday night, 3,500 ft. Friday, 3,000 ft. Friday night, then 2,000 ft. Saturday.
- highs 45-32 lows 28-19.